mirror of
https://github.com/oddlama/nix-config.git
synced 2025-10-11 07:10:39 +02:00
feat: add generation of installer image for each host
This commit is contained in:
oddlama
parent
05ce0e6f5c
commit
3e810b1711
7 changed files with 245 additions and 19 deletions
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@ -32,6 +32,7 @@ This is my personal nix config.
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- `format-secrets.nix` Runs the code formatter on the secret .nix files
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- `generate-initrd-keys.nix` Generates initrd hostkeys for each host if they don't exist yet (for setup)
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- `generate-wireguard-keys.nix` Generates wireguard keys for each server-and-peer pair
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- `show-wireguard-qr.nix` Generates a QR code for external wireguard participants
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- `checks.nix` pre-commit-hooks for this repository
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- `colmena.nix` Setup for distributed deployment using colmena (actually defines all NixOS hosts)
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- `dev-shell.nix` Environment setup for `nix develop` for using this flake
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@ -49,7 +50,7 @@ This is my personal nix config.
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## How-To
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#### Add and deploy new machine
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#### Add new machine
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...
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@ -60,6 +61,11 @@ This is my personal nix config.
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- generate-initrd-keys
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- generate-wireguard-keys
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#### Initial deploy
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- Boot from some nixos-minimal.iso
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-
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#### Show QR for external wireguard client
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nix run show-wireguard-qr
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70
flake.lock
generated
70
flake.lock
generated
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@ -109,6 +109,26 @@
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"type": "github"
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}
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},
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"disko": {
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"inputs": {
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"nixpkgs": [
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"nixpkgs"
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]
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},
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"locked": {
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"lastModified": 1682299489,
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"narHash": "sha256-bqHo0/82KB+IyBMyjBd6QdyZWJl/YZeGggjBsAgRFlY=",
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"owner": "nix-community",
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"repo": "disko",
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"rev": "8ab9e5609929379ab15f03fd3bdc1f85419e5a3a",
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"type": "github"
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},
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"original": {
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"owner": "nix-community",
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"repo": "disko",
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"type": "github"
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}
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},
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"flake-compat": {
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"flake": false,
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"locked": {
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@ -187,11 +207,11 @@
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]
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},
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"locked": {
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"lastModified": 1682273416,
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"narHash": "sha256-YvRc5TOyf92Fcvt6cYfsqxfjqalAUME3Klv4IbdhkBE=",
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"lastModified": 1682419509,
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"narHash": "sha256-+/HI3RbJcEKQ5+55dECzh8geginsbabsA0R3ORKi2Us=",
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"owner": "nix-community",
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"repo": "home-manager",
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"rev": "a5a294a622a7d3a837aaa145334e4d813c1bc5b1",
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"rev": "6142193635ecdafb9a231bd7d1880b9b7b210d19",
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"type": "github"
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},
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"original": {
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@ -250,6 +270,42 @@
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"type": "github"
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}
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},
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"nixlib": {
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"locked": {
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"lastModified": 1681001314,
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"narHash": "sha256-5sDnCLdrKZqxLPK4KA8+f4A3YKO/u6ElpMILvX0g72c=",
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"owner": "nix-community",
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"repo": "nixpkgs.lib",
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"rev": "367c0e1086a4eb4502b24d872cea2c7acdd557f4",
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"type": "github"
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},
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"original": {
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"owner": "nix-community",
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"repo": "nixpkgs.lib",
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"type": "github"
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}
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},
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"nixos-generators": {
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"inputs": {
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"nixlib": "nixlib",
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"nixpkgs": [
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"nixpkgs"
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]
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},
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"locked": {
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"lastModified": 1682332772,
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"narHash": "sha256-GMoWhChQdeNM2FFqVbEZgBABSdi/+JgSP6v+jUz5b24=",
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"owner": "nix-community",
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"repo": "nixos-generators",
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"rev": "d774aeedc0685e5871be1e1ee0511900deeb21c2",
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"type": "github"
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},
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"original": {
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"owner": "nix-community",
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"repo": "nixos-generators",
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"type": "github"
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}
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},
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"nixos-hardware": {
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"locked": {
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"lastModified": 1680876084,
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@ -288,11 +344,11 @@
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},
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"nixpkgs": {
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"locked": {
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"lastModified": 1682181988,
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"narHash": "sha256-CYWhlNi16cjGzMby9h57gpYE59quBcsHPXiFgX4Sw5k=",
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"lastModified": 1682453498,
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"narHash": "sha256-WoWiAd7KZt5Eh6n+qojcivaVpnXKqBsVgpixpV2L9CE=",
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"owner": "NixOS",
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"repo": "nixpkgs",
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"rev": "6c43a3495a11e261e5f41e5d7eda2d71dae1b2fe",
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"rev": "c8018361fa1d1650ee8d4b96294783cf564e8a7f",
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"type": "github"
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},
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"original": {
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@ -349,11 +405,13 @@
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"agenix": "agenix",
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"agenix-rekey": "agenix-rekey",
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"colmena": "colmena",
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"disko": "disko",
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"flake-utils": "flake-utils",
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"home-manager": "home-manager",
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"impermanence": "impermanence",
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"lib-net": "lib-net",
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"microvm": "microvm",
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"nixos-generators": "nixos-generators",
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"nixos-hardware": "nixos-hardware",
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"nixos-nftables-firewall": "nixos-nftables-firewall",
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"nixpkgs": "nixpkgs",
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24
flake.nix
24
flake.nix
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@ -8,6 +8,11 @@
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inputs.flake-utils.follows = "flake-utils";
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};
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disko = {
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url = "github:nix-community/disko";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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home-manager = {
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url = "github:nix-community/home-manager";
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inputs.nixpkgs.follows = "nixpkgs";
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@ -22,6 +27,11 @@
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nixos-hardware.url = "github:NixOS/nixos-hardware";
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nixos-generators = {
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url = "github:nix-community/nixos-generators";
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inputs.nixpkgs.follows = "nixpkgs";
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};
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nixos-nftables-firewall = {
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url = "github:thelegy/nixos-nftables-firewall";
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inputs.nixpkgs.follows = "nixpkgs";
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@ -57,11 +67,14 @@
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outputs = {
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self,
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colmena,
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nixos-generators,
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nixpkgs,
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flake-utils,
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agenix-rekey,
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...
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} @ inputs:
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} @ inputs: let
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recursiveMergeAttrs = nixpkgs.lib.foldl' nixpkgs.lib.recursiveUpdate {};
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in
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{
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extraLib = import ./nix/lib.nix inputs;
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@ -80,6 +93,15 @@
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# All nixos based hosts collected together
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nodes = self.colmenaNodes // self.microvmNodes;
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# Collect installer packages
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inherit
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(recursiveMergeAttrs
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(nixpkgs.lib.mapAttrsToList
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(import ./nix/generate-installer.nix inputs)
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self.colmenaNodes))
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packages
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;
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}
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// flake-utils.lib.eachDefaultSystem (system: rec {
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pkgs = import nixpkgs {
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@ -1,16 +1,63 @@
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{
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fileSystems = {
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"/" = {
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device = "rpool/root/nixos";
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fsType = "zfs";
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options = ["zfsutil" "X-mount.mkdir"];
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extraLib,
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pkgs,
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...
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}: {
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disko.devices = {
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disk = {
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m2-ssd = {
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type = "disk";
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device = "/dev/disk/by-id/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
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content = {
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type = "table";
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format = "gpt";
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partitions = [
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{
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name = "efi";
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start = "2048";
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end = "1GiB";
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fs-type = "fat32";
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content = {
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type = "filesystem";
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format = "vfat";
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mountpoint = "/boot";
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};
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}
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{
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name = "swap";
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start = "1GiB";
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end = "17GiB";
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content = {
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type = "swap";
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randomEncryption = true;
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};
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}
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{
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name = "rpool";
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start = "17GiB";
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end = "100%";
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content = {
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type = "zfs";
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pool = "rpool";
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};
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}
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];
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};
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};
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};
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zpool = extraLib.disko.defineEncryptedZpool "rpool" {};
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};
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boot.initrd.systemd.services = {
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impermanence-root = {
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wantedBy = ["initrd.target"];
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after = ["zfs-import-rpool.service"];
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before = ["sysroot.mount"];
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unitConfig.DefaultDependencies = "no";
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.zfs}/bin/zfs rollback -r rpool/local/root@blank";
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};
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};
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};
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"/boot" = {
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device = "/dev/disk/by-uuid/10E6-553F";
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fsType = "vfat";
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};
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};
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swapDevices = [];
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}
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46
nix/generate-installer.nix
Normal file
46
nix/generate-installer.nix
Normal file
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@ -0,0 +1,46 @@
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{
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self,
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nixos-generators,
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...
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}: nodeName: nodeAttrs: let
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inherit (self.hosts.${nodeName}) system;
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configuration = {pkgs, ...}: {
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system.stateVersion = "23.05";
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nix.extraOptions = ''
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experimental-features = nix-command flakes recursive-nix
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'';
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services.openssh = {
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enable = true;
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settings.PermitRootLogin = "yes";
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};
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users.users.root.password = "nixos";
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environment = {
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variables.EDITOR = "nvim";
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systemPackages = with pkgs; [
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neovim
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git
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tmux
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parted
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ripgrep
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fzf
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wget
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curl
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# TODO nodeAttrs.config.boot.system.
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];
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};
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};
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in {
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packages.${system}."installer-image-${nodeName}" = nixos-generators.nixosGenerate {
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pkgs = self.pkgs.${system};
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modules = [configuration];
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format =
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{
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x86_64-linux = "install-iso";
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aarch64-linux = "sd-aarch64-installer";
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}
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.${system};
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};
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}
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@ -1,6 +1,7 @@
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{
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self,
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colmena,
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disko,
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home-manager,
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#impermanence,
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nixos-hardware,
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@ -34,6 +35,7 @@ in
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#impermanence.nixosModules.default
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agenix.nixosModules.default
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agenix-rekey.nixosModules.default
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disko.nixosModules.disko
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nixos-nftables-firewall.nixosModules.default
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]
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++ optionals nodeMeta.microVmHost [
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45
nix/lib.nix
45
nix/lib.nix
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@ -20,6 +20,7 @@
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mergeAttrs
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nameValuePair
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partition
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recursiveUpdate
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removeSuffix
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splitString
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substring
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@ -47,6 +48,50 @@ in rec {
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# True if the path or string starts with /
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isAbsolutePath = x: substring 0 1 x == "/";
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# Defines a simple encrypted and compressed pool
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# with datasets necessary datasets for use with impermanence
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disko.defineEncryptedZpool = name:
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recursiveUpdate {
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${name} = {
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type = "zpool";
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mode = "mirror";
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rootFsOptions = {
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compression = "zstd";
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acltype = "posix";
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atime = "off";
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xattr = "sa";
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dnodesize = "auto";
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mountpoint = "none";
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canmount = "off";
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devices = "off";
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encryption = "aes-256-gcm";
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keyformat = "passphrase";
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keylocation = "prompt";
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};
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options.ashift = "12";
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datasets = {
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"local".type = "zfs_fs";
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"local/root" = {
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type = "zfs_fs";
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postCreateHook = "zfs snapshot ${name}/local/root@blank";
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options.canmount = "on";
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mountpoint = "/";
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};
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"local/nix" = {
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type = "zfs_fs";
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options.canmount = "on";
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mountpoint = "/nix";
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};
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"safe".type = "zfs_fs";
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"safe/persist" = {
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type = "zfs_fs";
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options.canmount = "on";
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mountpoint = "/persist";
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};
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};
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};
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};
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rageMasterIdentityArgs = concatMapStrings (x: ''-i ${escapeShellArg x} '') self.secrets.masterIdentities;
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rageExtraEncryptionPubkeys =
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concatMapStrings (
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